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Diffstat (limited to 'hw/xfree86/common/xf86xv.c')
-rw-r--r-- | hw/xfree86/common/xf86xv.c | 2183 |
1 files changed, 2183 insertions, 0 deletions
diff --git a/hw/xfree86/common/xf86xv.c b/hw/xfree86/common/xf86xv.c new file mode 100644 index 0000000..53ebe8f --- /dev/null +++ b/hw/xfree86/common/xf86xv.c @@ -0,0 +1,2183 @@ +/* + * XFree86 Xv DDX written by Mark Vojkovich (markv@valinux.com) + */ +/* + * Copyright (c) 1998-2003 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ + + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "misc.h" +#include "xf86.h" +#include "xf86_OSproc.h" + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "scrnintstr.h" +#include "regionstr.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "mivalidate.h" +#include "validate.h" +#include "resource.h" +#include "gcstruct.h" +#include "dixstruct.h" + +#include <X11/extensions/Xv.h> +#include <X11/extensions/Xvproto.h> +#include "xvdix.h" +#include "xvmodproc.h" + +#include "xf86xvpriv.h" + + +/* XvScreenRec fields */ + +static Bool xf86XVCloseScreen(int, ScreenPtr); +static int xf86XVQueryAdaptors(ScreenPtr, XvAdaptorPtr *, int *); + +/* XvAdaptorRec fields */ + +static int xf86XVAllocatePort(unsigned long, XvPortPtr, XvPortPtr*); +static int xf86XVFreePort(XvPortPtr); +static int xf86XVPutVideo(ClientPtr, DrawablePtr,XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +static int xf86XVPutStill(ClientPtr, DrawablePtr,XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +static int xf86XVGetVideo(ClientPtr, DrawablePtr,XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +static int xf86XVGetStill(ClientPtr, DrawablePtr,XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +static int xf86XVStopVideo(ClientPtr, XvPortPtr, DrawablePtr); +static int xf86XVSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32); +static int xf86XVGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32*); +static int xf86XVQueryBestSize(ClientPtr, XvPortPtr, CARD8, + CARD16, CARD16,CARD16, CARD16, + unsigned int*, unsigned int*); +static int xf86XVPutImage(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16, + XvImagePtr, unsigned char*, Bool, + CARD16, CARD16); +static int xf86XVQueryImageAttributes(ClientPtr, XvPortPtr, XvImagePtr, + CARD16*, CARD16*, int*, int*); + + +/* ScreenRec fields */ + +static Bool xf86XVDestroyWindow(WindowPtr pWin); +static void xf86XVWindowExposures(WindowPtr pWin, RegionPtr r1, RegionPtr r2); +static void xf86XVPostValidateTree(WindowPtr pWin, WindowPtr pLayerWin, VTKind kind); +static void xf86XVClipNotify(WindowPtr pWin, int dx, int dy); + +#define PostValidateTreeUndefined ((PostValidateTreeProcPtr)-1) + +/* ScrnInfoRec functions */ + +static Bool xf86XVEnterVT(int, int); +static void xf86XVLeaveVT(int, int); +static void xf86XVAdjustFrame(int index, int x, int y, int flags); +static void xf86XVModeSet(ScrnInfoPtr pScrn); + +/* misc */ + +static Bool xf86XVInitAdaptors(ScreenPtr, XF86VideoAdaptorPtr*, int); + + +static DevPrivateKeyRec XF86XVWindowKeyRec; +#define XF86XVWindowKey (&XF86XVWindowKeyRec) + +DevPrivateKey XF86XvScreenKey; + +static unsigned long PortResource = 0; + +DevPrivateKey (*XvGetScreenKeyProc)(void) = NULL; +unsigned long (*XvGetRTPortProc)(void) = NULL; +int (*XvScreenInitProc)(ScreenPtr) = NULL; + +#define GET_XV_SCREEN(pScreen) \ + ((XvScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, XF86XvScreenKey)) + +#define GET_XF86XV_SCREEN(pScreen) \ + ((XF86XVScreenPtr)(GET_XV_SCREEN(pScreen)->devPriv.ptr)) + +#define GET_XF86XV_WINDOW(pWin) \ + ((XF86XVWindowPtr)dixLookupPrivate(&(pWin)->devPrivates, XF86XVWindowKey)) + +static xf86XVInitGenericAdaptorPtr *GenDrivers = NULL; +static int NumGenDrivers = 0; + +int +xf86XVRegisterGenericAdaptorDriver( + xf86XVInitGenericAdaptorPtr InitFunc +){ + xf86XVInitGenericAdaptorPtr *newdrivers; + + newdrivers = realloc(GenDrivers, sizeof(xf86XVInitGenericAdaptorPtr) * + (1 + NumGenDrivers)); + if (!newdrivers) + return 0; + GenDrivers = newdrivers; + + GenDrivers[NumGenDrivers++] = InitFunc; + + return 1; +} + +int +xf86XVListGenericAdaptors( + ScrnInfoPtr pScrn, + XF86VideoAdaptorPtr **adaptors +){ + int i,j,n,num; + XF86VideoAdaptorPtr *DrivAdap,*new; + + num = 0; + *adaptors = NULL; + /* + * The v4l driver registers itself first, but can use surfaces registered + * by other drivers. So, call the v4l driver last. + */ + for (i = NumGenDrivers; --i >= 0; ) { + DrivAdap = NULL; + n = (*GenDrivers[i])(pScrn, &DrivAdap); + if (0 == n) + continue; + new = realloc(*adaptors, sizeof(XF86VideoAdaptorPtr) * (num+n)); + if (NULL == new) + continue; + *adaptors = new; + for (j = 0; j < n; j++, num++) + (*adaptors)[num] = DrivAdap[j]; + } + return num; +} + + +/**************** Offscreen surface stuff *******************/ + +typedef struct { + XF86OffscreenImagePtr images; + int num; +} OffscreenImageRec; + +static DevPrivateKeyRec OffscreenPrivateKeyRec; +#define OffscreenPrivateKey (&OffscreenPrivateKeyRec) +#define GetOffscreenImage(pScreen) ((OffscreenImageRec *) dixLookupPrivate(&(pScreen)->devPrivates, OffscreenPrivateKey)) + +Bool +xf86XVRegisterOffscreenImages( + ScreenPtr pScreen, + XF86OffscreenImagePtr images, + int num +){ + OffscreenImageRec *OffscreenImage; + /* This function may be called before xf86XVScreenInit, so there's + * no better place than this to call dixRegisterPrivateKey to ensure we + * have space reserved. After the first call it is a no-op. */ + if(!dixRegisterPrivateKey(OffscreenPrivateKey, PRIVATE_SCREEN, sizeof(OffscreenImageRec)) || + !(OffscreenImage = GetOffscreenImage(pScreen))) + /* Every X.org driver assumes this function always succeeds, so + * just die on allocation failure. */ + FatalError("Could not allocate private storage for XV offscreen images.\n"); + + OffscreenImage->num = num; + OffscreenImage->images = images; + return TRUE; +} + +XF86OffscreenImagePtr +xf86XVQueryOffscreenImages( + ScreenPtr pScreen, + int *num +){ + OffscreenImageRec *OffscreenImage = GetOffscreenImage(pScreen); + *num = OffscreenImage->num; + return OffscreenImage->images; +} + + +XF86VideoAdaptorPtr +xf86XVAllocateVideoAdaptorRec(ScrnInfoPtr pScrn) +{ + return calloc(1, sizeof(XF86VideoAdaptorRec)); +} + +void +xf86XVFreeVideoAdaptorRec(XF86VideoAdaptorPtr ptr) +{ + free(ptr); +} + + +Bool +xf86XVScreenInit( + ScreenPtr pScreen, + XF86VideoAdaptorPtr *adaptors, + int num +){ + ScrnInfoPtr pScrn; + XF86XVScreenPtr ScreenPriv; + XvScreenPtr pxvs; + + if(num <= 0 || + !XvGetScreenKeyProc || !XvGetRTPortProc || !XvScreenInitProc) + return FALSE; + + if(Success != (*XvScreenInitProc)(pScreen)) return FALSE; + + if (!dixRegisterPrivateKey(&XF86XVWindowKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + + XF86XvScreenKey = (*XvGetScreenKeyProc)(); + + PortResource = (*XvGetRTPortProc)(); + + pxvs = GET_XV_SCREEN(pScreen); + + /* Anyone initializing the Xv layer must provide these two. + The Xv di layer calls them without even checking if they exist! */ + + pxvs->ddCloseScreen = xf86XVCloseScreen; + pxvs->ddQueryAdaptors = xf86XVQueryAdaptors; + + /* The Xv di layer provides us with a private hook so that we don't + have to allocate our own screen private. They also provide + a CloseScreen hook so that we don't have to wrap it. I'm not + sure that I appreciate that. */ + + ScreenPriv = malloc(sizeof(XF86XVScreenRec)); + pxvs->devPriv.ptr = (pointer)ScreenPriv; + + if(!ScreenPriv) return FALSE; + + pScrn = xf86Screens[pScreen->myNum]; + + ScreenPriv->DestroyWindow = pScreen->DestroyWindow; + ScreenPriv->WindowExposures = pScreen->WindowExposures; + ScreenPriv->PostValidateTree = PostValidateTreeUndefined; + ScreenPriv->ClipNotify = pScreen->ClipNotify; + ScreenPriv->EnterVT = pScrn->EnterVT; + ScreenPriv->LeaveVT = pScrn->LeaveVT; + ScreenPriv->AdjustFrame = pScrn->AdjustFrame; + ScreenPriv->ModeSet = pScrn->ModeSet; + + pScreen->DestroyWindow = xf86XVDestroyWindow; + pScreen->WindowExposures = xf86XVWindowExposures; + pScreen->ClipNotify = xf86XVClipNotify; + pScrn->EnterVT = xf86XVEnterVT; + pScrn->LeaveVT = xf86XVLeaveVT; + if(pScrn->AdjustFrame) + pScrn->AdjustFrame = xf86XVAdjustFrame; + pScrn->ModeSet = xf86XVModeSet; + + if(!xf86XVInitAdaptors(pScreen, adaptors, num)) + return FALSE; + + return TRUE; +} + +static void +xf86XVFreeAdaptor(XvAdaptorPtr pAdaptor) +{ + int i; + + free(pAdaptor->name); + + if(pAdaptor->pEncodings) { + XvEncodingPtr pEncode = pAdaptor->pEncodings; + + for(i = 0; i < pAdaptor->nEncodings; i++, pEncode++) + free(pEncode->name); + free(pAdaptor->pEncodings); + } + + free(pAdaptor->pFormats); + + if(pAdaptor->pPorts) { + XvPortPtr pPort = pAdaptor->pPorts; + XvPortRecPrivatePtr pPriv; + + for(i = 0; i < pAdaptor->nPorts; i++, pPort++) { + pPriv = (XvPortRecPrivatePtr)pPort->devPriv.ptr; + if(pPriv) { + if(pPriv->clientClip) + RegionDestroy(pPriv->clientClip); + if(pPriv->pCompositeClip && pPriv->FreeCompositeClip) + RegionDestroy(pPriv->pCompositeClip); + if (pPriv->ckeyFilled) + RegionDestroy(pPriv->ckeyFilled); + free(pPriv); + } + } + free(pAdaptor->pPorts); + } + + if(pAdaptor->nAttributes) { + XvAttributePtr pAttribute = pAdaptor->pAttributes; + + for(i = 0; i < pAdaptor->nAttributes; i++, pAttribute++) + free(pAttribute->name); + free(pAdaptor->pAttributes); + } + + free(pAdaptor->pImages); + free(pAdaptor->devPriv.ptr); +} + +static Bool +xf86XVInitAdaptors( + ScreenPtr pScreen, + XF86VideoAdaptorPtr *infoPtr, + int number +) { + XvScreenPtr pxvs = GET_XV_SCREEN(pScreen); + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + XF86VideoAdaptorPtr adaptorPtr; + XvAdaptorPtr pAdaptor, pa; + XvAdaptorRecPrivatePtr adaptorPriv; + int na, numAdaptor; + XvPortRecPrivatePtr portPriv; + XvPortPtr pPort, pp; + int numPort; + XF86AttributePtr attributePtr; + XvAttributePtr pAttribute, pat; + XF86VideoFormatPtr formatPtr; + XvFormatPtr pFormat, pf; + int numFormat, totFormat; + XF86VideoEncodingPtr encodingPtr; + XvEncodingPtr pEncode, pe; + XF86ImagePtr imagePtr; + XvImagePtr pImage, pi; + int numVisuals; + VisualPtr pVisual; + int i; + + pxvs->nAdaptors = 0; + pxvs->pAdaptors = NULL; + + if(!(pAdaptor = calloc(number, sizeof(XvAdaptorRec)))) + return FALSE; + + for(pa = pAdaptor, na = 0, numAdaptor = 0; na < number; na++, adaptorPtr++) { + adaptorPtr = infoPtr[na]; + + if(!adaptorPtr->StopVideo || !adaptorPtr->SetPortAttribute || + !adaptorPtr->GetPortAttribute || !adaptorPtr->QueryBestSize) + continue; + + /* client libs expect at least one encoding */ + if(!adaptorPtr->nEncodings || !adaptorPtr->pEncodings) + continue; + + pa->type = adaptorPtr->type; + + if(!adaptorPtr->PutVideo && !adaptorPtr->GetVideo) + pa->type &= ~XvVideoMask; + + if(!adaptorPtr->PutStill && !adaptorPtr->GetStill) + pa->type &= ~XvStillMask; + + if(!adaptorPtr->PutImage || !adaptorPtr->QueryImageAttributes) + pa->type &= ~XvImageMask; + + if(!adaptorPtr->PutVideo && !adaptorPtr->PutImage && + !adaptorPtr->PutStill) + pa->type &= ~XvInputMask; + + if(!adaptorPtr->GetVideo && !adaptorPtr->GetStill) + pa->type &= ~XvOutputMask; + + if(!(adaptorPtr->type & (XvPixmapMask | XvWindowMask))) + continue; + if(!(adaptorPtr->type & (XvImageMask | XvVideoMask | XvStillMask))) + continue; + + pa->pScreen = pScreen; + pa->ddAllocatePort = xf86XVAllocatePort; + pa->ddFreePort = xf86XVFreePort; + pa->ddPutVideo = xf86XVPutVideo; + pa->ddPutStill = xf86XVPutStill; + pa->ddGetVideo = xf86XVGetVideo; + pa->ddGetStill = xf86XVGetStill; + pa->ddStopVideo = xf86XVStopVideo; + pa->ddPutImage = xf86XVPutImage; + pa->ddSetPortAttribute = xf86XVSetPortAttribute; + pa->ddGetPortAttribute = xf86XVGetPortAttribute; + pa->ddQueryBestSize = xf86XVQueryBestSize; + pa->ddQueryImageAttributes = xf86XVQueryImageAttributes; + pa->name = strdup(adaptorPtr->name); + + if(adaptorPtr->nEncodings && + (pEncode = calloc(adaptorPtr->nEncodings, sizeof(XvEncodingRec)))) { + + for(pe = pEncode, encodingPtr = adaptorPtr->pEncodings, i = 0; + i < adaptorPtr->nEncodings; pe++, i++, encodingPtr++) + { + pe->id = encodingPtr->id; + pe->pScreen = pScreen; + pe->name = strdup(encodingPtr->name); + pe->width = encodingPtr->width; + pe->height = encodingPtr->height; + pe->rate.numerator = encodingPtr->rate.numerator; + pe->rate.denominator = encodingPtr->rate.denominator; + } + pa->nEncodings = adaptorPtr->nEncodings; + pa->pEncodings = pEncode; + } + + if(adaptorPtr->nImages && + (pImage = calloc(adaptorPtr->nImages, sizeof(XvImageRec)))) { + + for(i = 0, pi = pImage, imagePtr = adaptorPtr->pImages; + i < adaptorPtr->nImages; i++, pi++, imagePtr++) + { + pi->id = imagePtr->id; + pi->type = imagePtr->type; + pi->byte_order = imagePtr->byte_order; + memcpy(pi->guid, imagePtr->guid, 16); + pi->bits_per_pixel = imagePtr->bits_per_pixel; + pi->format = imagePtr->format; + pi->num_planes = imagePtr->num_planes; + pi->depth = imagePtr->depth; + pi->red_mask = imagePtr->red_mask; + pi->green_mask = imagePtr->green_mask; + pi->blue_mask = imagePtr->blue_mask; + pi->y_sample_bits = imagePtr->y_sample_bits; + pi->u_sample_bits = imagePtr->u_sample_bits; + pi->v_sample_bits = imagePtr->v_sample_bits; + pi->horz_y_period = imagePtr->horz_y_period; + pi->horz_u_period = imagePtr->horz_u_period; + pi->horz_v_period = imagePtr->horz_v_period; + pi->vert_y_period = imagePtr->vert_y_period; + pi->vert_u_period = imagePtr->vert_u_period; + pi->vert_v_period = imagePtr->vert_v_period; + memcpy(pi->component_order, imagePtr->component_order, 32); + pi->scanline_order = imagePtr->scanline_order; + } + pa->nImages = adaptorPtr->nImages; + pa->pImages = pImage; + } + + if(adaptorPtr->nAttributes && + (pAttribute = calloc(adaptorPtr->nAttributes, sizeof(XvAttributeRec)))) + { + for(pat = pAttribute, attributePtr = adaptorPtr->pAttributes, i = 0; + i < adaptorPtr->nAttributes; pat++, i++, attributePtr++) + { + pat->flags = attributePtr->flags; + pat->min_value = attributePtr->min_value; + pat->max_value = attributePtr->max_value; + pat->name = strdup(attributePtr->name); + } + pa->nAttributes = adaptorPtr->nAttributes; + pa->pAttributes = pAttribute; + } + + + totFormat = adaptorPtr->nFormats; + + if(!(pFormat = calloc(totFormat, sizeof(XvFormatRec)))) { + xf86XVFreeAdaptor(pa); + continue; + } + for(pf = pFormat, i = 0, numFormat = 0, formatPtr = adaptorPtr->pFormats; + i < adaptorPtr->nFormats; i++, formatPtr++) + { + numVisuals = pScreen->numVisuals; + pVisual = pScreen->visuals; + + while(numVisuals--) { + if((pVisual->class == formatPtr->class) && + (pVisual->nplanes == formatPtr->depth)) { + + if(numFormat >= totFormat) { + void *moreSpace; + totFormat *= 2; + moreSpace = realloc(pFormat, + totFormat * sizeof(XvFormatRec)); + if(!moreSpace) break; + pFormat = moreSpace; + pf = pFormat + numFormat; + } + + pf->visual = pVisual->vid; + pf->depth = formatPtr->depth; + + pf++; + numFormat++; + } + pVisual++; + } + } + pa->nFormats = numFormat; + pa->pFormats = pFormat; + if(!numFormat) { + xf86XVFreeAdaptor(pa); + continue; + } + + if(!(adaptorPriv = calloc(1, sizeof(XvAdaptorRecPrivate)))) { + xf86XVFreeAdaptor(pa); + continue; + } + + adaptorPriv->flags = adaptorPtr->flags; + adaptorPriv->PutVideo = adaptorPtr->PutVideo; + adaptorPriv->PutStill = adaptorPtr->PutStill; + adaptorPriv->GetVideo = adaptorPtr->GetVideo; + adaptorPriv->GetStill = adaptorPtr->GetStill; + adaptorPriv->StopVideo = adaptorPtr->StopVideo; + adaptorPriv->SetPortAttribute = adaptorPtr->SetPortAttribute; + adaptorPriv->GetPortAttribute = adaptorPtr->GetPortAttribute; + adaptorPriv->QueryBestSize = adaptorPtr->QueryBestSize; + adaptorPriv->QueryImageAttributes = adaptorPtr->QueryImageAttributes; + adaptorPriv->PutImage = adaptorPtr->PutImage; + adaptorPriv->ReputImage = adaptorPtr->ReputImage; /* image/still */ + + pa->devPriv.ptr = (pointer)adaptorPriv; + + if(!(pPort = calloc(adaptorPtr->nPorts, sizeof(XvPortRec)))) { + xf86XVFreeAdaptor(pa); + continue; + } + for(pp = pPort, i = 0, numPort = 0; + i < adaptorPtr->nPorts; i++) { + + if(!(pp->id = FakeClientID(0))) + continue; + + if(!(portPriv = calloc(1, sizeof(XvPortRecPrivate)))) + continue; + + if(!AddResource(pp->id, PortResource, pp)) { + free(portPriv); + continue; + } + + pp->pAdaptor = pa; + pp->pNotify = (XvPortNotifyPtr)NULL; + pp->pDraw = (DrawablePtr)NULL; + pp->client = (ClientPtr)NULL; + pp->grab.client = (ClientPtr)NULL; + pp->time = currentTime; + pp->devPriv.ptr = portPriv; + + portPriv->pScrn = pScrn; + portPriv->AdaptorRec = adaptorPriv; + portPriv->DevPriv.ptr = adaptorPtr->pPortPrivates[i].ptr; + + pp++; + numPort++; + } + pa->nPorts = numPort; + pa->pPorts = pPort; + if(!numPort) { + xf86XVFreeAdaptor(pa); + continue; + } + + pa->base_id = pPort->id; + + pa++; + numAdaptor++; + } + + if(numAdaptor) { + pxvs->nAdaptors = numAdaptor; + pxvs->pAdaptors = pAdaptor; + } else { + free(pAdaptor); + return FALSE; + } + + return TRUE; +} + +/* Video should be clipped to the intersection of the window cliplist + and the client cliplist specified in the GC for which the video was + initialized. When we need to reclip a window, the GC that started + the video may not even be around anymore. That's why we save the + client clip from the GC when the video is initialized. We then + use xf86XVUpdateCompositeClip to calculate the new composite clip + when we need it. This is different from what DEC did. They saved + the GC and used it's clip list when they needed to reclip the window, + even if the client clip was different from the one the video was + initialized with. If the original GC was destroyed, they had to stop + the video. I like the new method better (MArk). + + This function only works for windows. Will need to rewrite when + (if) we support pixmap rendering. +*/ + +static void +xf86XVUpdateCompositeClip(XvPortRecPrivatePtr portPriv) +{ + RegionPtr pregWin, pCompositeClip; + WindowPtr pWin; + Bool freeCompClip = FALSE; + + if(portPriv->pCompositeClip) + return; + + pWin = (WindowPtr)portPriv->pDraw; + + /* get window clip list */ + if(portPriv->subWindowMode == IncludeInferiors) { + pregWin = NotClippedByChildren(pWin); + freeCompClip = TRUE; + } else + pregWin = &pWin->clipList; + + if(!portPriv->clientClip) { + portPriv->pCompositeClip = pregWin; + portPriv->FreeCompositeClip = freeCompClip; + return; + } + + pCompositeClip = RegionCreate(NullBox, 1); + RegionCopy(pCompositeClip, portPriv->clientClip); + RegionTranslate(pCompositeClip, + portPriv->pDraw->x, portPriv->pDraw->y); + RegionIntersect(pCompositeClip, pregWin, pCompositeClip); + + portPriv->pCompositeClip = pCompositeClip; + portPriv->FreeCompositeClip = TRUE; + + if(freeCompClip) { + RegionDestroy(pregWin); + } +} + +/* Save the current clientClip and update the CompositeClip whenever + we have a fresh GC */ + +static void +xf86XVCopyClip( + XvPortRecPrivatePtr portPriv, + GCPtr pGC +){ + /* copy the new clip if it exists */ + if((pGC->clientClipType == CT_REGION) && pGC->clientClip) { + if(!portPriv->clientClip) + portPriv->clientClip = RegionCreate(NullBox, 1); + /* Note: this is in window coordinates */ + RegionCopy(portPriv->clientClip, pGC->clientClip); + RegionTranslate(portPriv->clientClip, + pGC->clipOrg.x, pGC->clipOrg.y); + } else if(portPriv->clientClip) { /* free the old clientClip */ + RegionDestroy(portPriv->clientClip); + portPriv->clientClip = NULL; + } + + /* get rid of the old clip list */ + if(portPriv->pCompositeClip && portPriv->FreeCompositeClip) { + RegionDestroy(portPriv->pCompositeClip); + } + + portPriv->pCompositeClip = pGC->pCompositeClip; + portPriv->FreeCompositeClip = FALSE; + portPriv->subWindowMode = pGC->subWindowMode; +} + +static void +xf86XVCopyCompositeClip(XvPortRecPrivatePtr portPriv, + GCPtr pGC, + DrawablePtr pDraw) +{ + if (!portPriv->clientClip) + portPriv->clientClip = RegionCreate(NullBox, 1); + /* Keep the original GC composite clip around for ReputImage */ + RegionCopy(portPriv->clientClip, pGC->pCompositeClip); + RegionTranslate(portPriv->clientClip, + -pDraw->x, -pDraw->y); + + /* get rid of the old clip list */ + if (portPriv->pCompositeClip && portPriv->FreeCompositeClip) + RegionDestroy(portPriv->pCompositeClip); + + portPriv->pCompositeClip = pGC->pCompositeClip; + portPriv->FreeCompositeClip = FALSE; + portPriv->subWindowMode = pGC->subWindowMode; +} + +static int +xf86XVRegetVideo(XvPortRecPrivatePtr portPriv) +{ + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + xf86XVUpdateCompositeClip(portPriv); + + /* translate the video region to the screen */ + WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x; + WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y; + WinBox.x2 = WinBox.x1 + portPriv->drw_w; + WinBox.y2 = WinBox.y1 + portPriv->drw_h; + + /* clip to the window composite clip */ + RegionInit(&WinRegion, &WinBox, 1); + RegionNull(&ClipRegion); + RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip); + + /* that's all if it's totally obscured */ + if(!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + + if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->GetVideo)(portPriv->pScrn, + portPriv->vid_x, portPriv->vid_y, + WinBox.x1, WinBox.y1, + portPriv->vid_w, portPriv->vid_h, + portPriv->drw_w, portPriv->drw_h, + &ClipRegion, portPriv->DevPriv.ptr, + portPriv->pDraw); + + if(ret == Success) + portPriv->isOn = XV_ON; + +CLIP_VIDEO_BAILOUT: + + if((clippedAway || (ret != Success)) && portPriv->isOn == XV_ON) { + (*portPriv->AdaptorRec->StopVideo)( + portPriv->pScrn, portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + /* This clip was copied and only good for one shot */ + if(!portPriv->FreeCompositeClip) + portPriv->pCompositeClip = NULL; + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + + +static int +xf86XVReputVideo(XvPortRecPrivatePtr portPriv) +{ + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + xf86XVUpdateCompositeClip(portPriv); + + /* translate the video region to the screen */ + WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x; + WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y; + WinBox.x2 = WinBox.x1 + portPriv->drw_w; + WinBox.y2 = WinBox.y1 + portPriv->drw_h; + + /* clip to the window composite clip */ + RegionInit(&WinRegion, &WinBox, 1); + RegionNull(&ClipRegion); + RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip); + + /* clip and translate to the viewport */ + if(portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) { + RegionRec VPReg; + BoxRec VPBox; + + VPBox.x1 = portPriv->pScrn->frameX0; + VPBox.y1 = portPriv->pScrn->frameY0; + VPBox.x2 = portPriv->pScrn->frameX1 + 1; + VPBox.y2 = portPriv->pScrn->frameY1 + 1; + + RegionInit(&VPReg, &VPBox, 1); + RegionIntersect(&ClipRegion, &ClipRegion, &VPReg); + RegionUninit(&VPReg); + } + + /* that's all if it's totally obscured */ + if(!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + + /* bailout if we have to clip but the hardware doesn't support it */ + if(portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) { + BoxPtr clipBox = RegionRects(&ClipRegion); + if( (RegionNumRects(&ClipRegion) != 1) || + (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) || + (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2)) + { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + } + + if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->PutVideo)(portPriv->pScrn, + portPriv->vid_x, portPriv->vid_y, + WinBox.x1, WinBox.y1, + portPriv->vid_w, portPriv->vid_h, + portPriv->drw_w, portPriv->drw_h, + &ClipRegion, portPriv->DevPriv.ptr, + portPriv->pDraw); + + if(ret == Success) portPriv->isOn = XV_ON; + +CLIP_VIDEO_BAILOUT: + + if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo)( + portPriv->pScrn, portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + /* This clip was copied and only good for one shot */ + if(!portPriv->FreeCompositeClip) + portPriv->pCompositeClip = NULL; + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + +/* Reput image/still */ +static int +xf86XVReputImage(XvPortRecPrivatePtr portPriv) +{ + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + xf86XVUpdateCompositeClip(portPriv); + + /* the clip can get smaller over time */ + RegionCopy(portPriv->clientClip, portPriv->pCompositeClip); + RegionTranslate(portPriv->clientClip, + -portPriv->pDraw->x, -portPriv->pDraw->y); + + /* translate the video region to the screen */ + WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x; + WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y; + WinBox.x2 = WinBox.x1 + portPriv->drw_w; + WinBox.y2 = WinBox.y1 + portPriv->drw_h; + + /* clip to the window composite clip */ + RegionInit(&WinRegion, &WinBox, 1); + RegionNull(&ClipRegion); + RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip); + + /* clip and translate to the viewport */ + if(portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) { + RegionRec VPReg; + BoxRec VPBox; + + VPBox.x1 = portPriv->pScrn->frameX0; + VPBox.y1 = portPriv->pScrn->frameY0; + VPBox.x2 = portPriv->pScrn->frameX1 + 1; + VPBox.y2 = portPriv->pScrn->frameY1 + 1; + + RegionInit(&VPReg, &VPBox, 1); + RegionIntersect(&ClipRegion, &ClipRegion, &VPReg); + RegionUninit(&VPReg); + } + + /* that's all if it's totally obscured */ + if(!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + + /* bailout if we have to clip but the hardware doesn't support it */ + if(portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) { + BoxPtr clipBox = RegionRects(&ClipRegion); + if( (RegionNumRects(&ClipRegion) != 1) || + (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) || + (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2)) + { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + } + + if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->ReputImage)(portPriv->pScrn, + portPriv->vid_x, portPriv->vid_y, + WinBox.x1, WinBox.y1, + portPriv->vid_w, portPriv->vid_h, + portPriv->drw_w, portPriv->drw_h, + &ClipRegion, portPriv->DevPriv.ptr, + portPriv->pDraw); + + portPriv->isOn = (ret == Success) ? XV_ON : XV_OFF; + +CLIP_VIDEO_BAILOUT: + + if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo)( + portPriv->pScrn, portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + /* This clip was copied and only good for one shot */ + if(!portPriv->FreeCompositeClip) + portPriv->pCompositeClip = NULL; + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + + +static int +xf86XVReputAllVideo(WindowPtr pWin, pointer data) +{ + XF86XVWindowPtr WinPriv = GET_XF86XV_WINDOW(pWin); + + while(WinPriv) { + if(WinPriv->PortRec->type == XvInputMask) + xf86XVReputVideo(WinPriv->PortRec); + else + xf86XVRegetVideo(WinPriv->PortRec); + WinPriv = WinPriv->next; + } + + return WT_WALKCHILDREN; +} + +static int +xf86XVEnlistPortInWindow(WindowPtr pWin, XvPortRecPrivatePtr portPriv) +{ + XF86XVWindowPtr winPriv, PrivRoot; + + winPriv = PrivRoot = GET_XF86XV_WINDOW(pWin); + + /* Enlist our port in the window private */ + while(winPriv) { + if(winPriv->PortRec == portPriv) /* we're already listed */ + break; + winPriv = winPriv->next; + } + + if(!winPriv) { + winPriv = calloc(1, sizeof(XF86XVWindowRec)); + if(!winPriv) return BadAlloc; + winPriv->PortRec = portPriv; + winPriv->next = PrivRoot; + dixSetPrivate(&pWin->devPrivates, XF86XVWindowKey, winPriv); + } + + portPriv->pDraw = (DrawablePtr)pWin; + + return Success; +} + + +static void +xf86XVRemovePortFromWindow(WindowPtr pWin, XvPortRecPrivatePtr portPriv) +{ + XF86XVWindowPtr winPriv, prevPriv = NULL; + winPriv = GET_XF86XV_WINDOW(pWin); + + while(winPriv) { + if(winPriv->PortRec == portPriv) { + if(prevPriv) + prevPriv->next = winPriv->next; + else + dixSetPrivate(&pWin->devPrivates, XF86XVWindowKey, + winPriv->next); + free(winPriv); + break; + } + prevPriv = winPriv; + winPriv = winPriv->next; + } + portPriv->pDraw = NULL; + if (portPriv->ckeyFilled) { + RegionDestroy(portPriv->ckeyFilled); + portPriv->ckeyFilled = NULL; + } + portPriv->clipChanged = FALSE; +} + +static void +xf86XVReputOrStopPort(XvPortRecPrivatePtr pPriv, + WindowPtr pWin, + Bool visible) +{ + if (!visible) { + if (pPriv->isOn == XV_ON) { + (*pPriv->AdaptorRec->StopVideo)(pPriv->pScrn, pPriv->DevPriv.ptr, FALSE); + pPriv->isOn = XV_PENDING; + } + + if (!pPriv->type) /* overlaid still/image*/ + xf86XVRemovePortFromWindow(pWin, pPriv); + + return; + } + + switch (pPriv->type) { + case XvInputMask: + xf86XVReputVideo(pPriv); + break; + case XvOutputMask: + xf86XVRegetVideo(pPriv); + break; + default: /* overlaid still/image*/ + if (pPriv->AdaptorRec->ReputImage) + xf86XVReputImage(pPriv); + break; + } +} + +static void +xf86XVReputOrStopAllPorts(ScrnInfoPtr pScrn, Bool onlyChanged) +{ + ScreenPtr pScreen = pScrn->pScreen; + XvScreenPtr pxvs = GET_XV_SCREEN(pScreen); + XvAdaptorPtr pa; + int c, i; + + for (c = pxvs->nAdaptors, pa = pxvs->pAdaptors; c > 0; c--, pa++) { + XvPortPtr pPort = pa->pPorts; + + for (i = pa->nPorts; i > 0; i--, pPort++) { + XvPortRecPrivatePtr pPriv = (XvPortRecPrivatePtr)pPort->devPriv.ptr; + WindowPtr pWin = (WindowPtr)pPriv->pDraw; + Bool visible; + + if (pPriv->isOn == XV_OFF || !pWin) + continue; + + if (onlyChanged && !pPriv->clipChanged) + continue; + + visible = pWin->visibility == VisibilityUnobscured || + pWin->visibility == VisibilityPartiallyObscured; + + /* + * Stop and remove still/images if + * ReputImage isn't supported. + */ + if (!pPriv->type && !pPriv->AdaptorRec->ReputImage) + visible = FALSE; + + xf86XVReputOrStopPort(pPriv, pWin, visible); + + pPriv->clipChanged = FALSE; + } + } +} + +/**** ScreenRec fields ****/ + +static Bool +xf86XVDestroyWindow(WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + XF86XVScreenPtr ScreenPriv = GET_XF86XV_SCREEN(pScreen); + XF86XVWindowPtr tmp, WinPriv = GET_XF86XV_WINDOW(pWin); + int ret; + + while(WinPriv) { + XvPortRecPrivatePtr pPriv = WinPriv->PortRec; + + if(pPriv->isOn > XV_OFF) { + (*pPriv->AdaptorRec->StopVideo)( + pPriv->pScrn, pPriv->DevPriv.ptr, TRUE); + pPriv->isOn = XV_OFF; + } + + pPriv->pDraw = NULL; + tmp = WinPriv; + WinPriv = WinPriv->next; + free(tmp); + } + + dixSetPrivate(&pWin->devPrivates, XF86XVWindowKey, NULL); + + pScreen->DestroyWindow = ScreenPriv->DestroyWindow; + ret = (*pScreen->DestroyWindow)(pWin); + pScreen->DestroyWindow = xf86XVDestroyWindow; + + return ret; +} + +static void +xf86XVPostValidateTree(WindowPtr pWin, WindowPtr pLayerWin, VTKind kind) +{ + ScreenPtr pScreen; + XF86XVScreenPtr ScreenPriv; + ScrnInfoPtr pScrn; + + if (pWin) + pScreen = pWin->drawable.pScreen; + else + pScreen = pLayerWin->drawable.pScreen; + + ScreenPriv = GET_XF86XV_SCREEN(pScreen); + pScrn = xf86Screens[pScreen->myNum]; + + xf86XVReputOrStopAllPorts(pScrn, TRUE); + + pScreen->PostValidateTree = ScreenPriv->PostValidateTree; + if (pScreen->PostValidateTree) { + (*pScreen->PostValidateTree)(pWin, pLayerWin, kind); + } + ScreenPriv->PostValidateTree = PostValidateTreeUndefined; +} + +static void +xf86XVWindowExposures(WindowPtr pWin, RegionPtr reg1, RegionPtr reg2) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + XF86XVScreenPtr ScreenPriv = GET_XF86XV_SCREEN(pScreen); + XF86XVWindowPtr WinPriv = GET_XF86XV_WINDOW(pWin); + XvPortRecPrivatePtr pPriv; + Bool AreasExposed; + + AreasExposed = (WinPriv && reg1 && RegionNotEmpty(reg1)); + + pScreen->WindowExposures = ScreenPriv->WindowExposures; + (*pScreen->WindowExposures)(pWin, reg1, reg2); + pScreen->WindowExposures = xf86XVWindowExposures; + + /* filter out XClearWindow/Area */ + if (!pWin->valdata) return; + + while(WinPriv) { + Bool visible = TRUE; + + pPriv = WinPriv->PortRec; + + /* + * Stop and remove still/images if areas were exposed and + * ReputImage isn't supported. + */ + if (!pPriv->type && !pPriv->AdaptorRec->ReputImage) + visible = !AreasExposed; + + /* + * Subtract exposed areas from overlaid image to match textured video + * behavior. + */ + if (!pPriv->type && pPriv->clientClip) + RegionSubtract(pPriv->clientClip, pPriv->clientClip, reg1); + + if (visible && pPriv->ckeyFilled) { + RegionRec tmp; + RegionNull(&tmp); + RegionCopy(&tmp, reg1); + RegionTranslate(&tmp, pWin->drawable.x, pWin->drawable.y); + RegionSubtract(pPriv->ckeyFilled, pPriv->ckeyFilled, &tmp); + } + + WinPriv = WinPriv->next; + xf86XVReputOrStopPort(pPriv, pWin, visible); + + pPriv->clipChanged = FALSE; + } +} + +static void +xf86XVClipNotify(WindowPtr pWin, int dx, int dy) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + XF86XVScreenPtr ScreenPriv = GET_XF86XV_SCREEN(pScreen); + XF86XVWindowPtr WinPriv = GET_XF86XV_WINDOW(pWin); + XvPortRecPrivatePtr pPriv; + + while(WinPriv) { + pPriv = WinPriv->PortRec; + + if(pPriv->pCompositeClip && pPriv->FreeCompositeClip) + RegionDestroy(pPriv->pCompositeClip); + + pPriv->pCompositeClip = NULL; + + if (pPriv->AdaptorRec->ClipNotify) + (*pPriv->AdaptorRec->ClipNotify)(pPriv->pScrn, pPriv->DevPriv.ptr, + pWin, dx, dy); + + pPriv->clipChanged = TRUE; + + if (ScreenPriv->PostValidateTree == PostValidateTreeUndefined) { + ScreenPriv->PostValidateTree = pScreen->PostValidateTree; + pScreen->PostValidateTree = xf86XVPostValidateTree; + } + + WinPriv = WinPriv->next; + } + + if(ScreenPriv->ClipNotify) { + pScreen->ClipNotify = ScreenPriv->ClipNotify; + (*pScreen->ClipNotify)(pWin, dx, dy); + pScreen->ClipNotify = xf86XVClipNotify; + } +} + + + +/**** Required XvScreenRec fields ****/ + +static Bool +xf86XVCloseScreen(int i, ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + XvScreenPtr pxvs = GET_XV_SCREEN(pScreen); + XF86XVScreenPtr ScreenPriv = GET_XF86XV_SCREEN(pScreen); + XvAdaptorPtr pa; + int c; + + if(!ScreenPriv) return TRUE; + + pScreen->DestroyWindow = ScreenPriv->DestroyWindow; + pScreen->WindowExposures = ScreenPriv->WindowExposures; + pScreen->ClipNotify = ScreenPriv->ClipNotify; + + pScrn->EnterVT = ScreenPriv->EnterVT; + pScrn->LeaveVT = ScreenPriv->LeaveVT; + pScrn->AdjustFrame = ScreenPriv->AdjustFrame; + pScrn->ModeSet = ScreenPriv->ModeSet; + + for(c = 0, pa = pxvs->pAdaptors; c < pxvs->nAdaptors; c++, pa++) { + xf86XVFreeAdaptor(pa); + } + + free(pxvs->pAdaptors); + free(ScreenPriv); + return TRUE; +} + + +static int +xf86XVQueryAdaptors( + ScreenPtr pScreen, + XvAdaptorPtr *p_pAdaptors, + int *p_nAdaptors +){ + XvScreenPtr pxvs = GET_XV_SCREEN(pScreen); + + *p_nAdaptors = pxvs->nAdaptors; + *p_pAdaptors = pxvs->pAdaptors; + + return Success; +} + + +/**** ScrnInfoRec fields ****/ + +static Bool +xf86XVEnterVT(int index, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[index]; + ScreenPtr pScreen = screenInfo.screens[index]; + XF86XVScreenPtr ScreenPriv = GET_XF86XV_SCREEN(pScreen); + Bool ret; + + pScrn->EnterVT = ScreenPriv->EnterVT; + ret = (*ScreenPriv->EnterVT)(index, flags); + ScreenPriv->EnterVT = pScrn->EnterVT; + pScrn->EnterVT = xf86XVEnterVT; + + if(ret) WalkTree(pScreen, xf86XVReputAllVideo, 0); + + return ret; +} + +static void +xf86XVLeaveVT(int index, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[index]; + ScreenPtr pScreen = screenInfo.screens[index]; + XvScreenPtr pxvs = GET_XV_SCREEN(pScreen); + XF86XVScreenPtr ScreenPriv = GET_XF86XV_SCREEN(pScreen); + XvAdaptorPtr pAdaptor; + XvPortPtr pPort; + XvPortRecPrivatePtr pPriv; + int i, j; + + for(i = 0; i < pxvs->nAdaptors; i++) { + pAdaptor = &pxvs->pAdaptors[i]; + for(j = 0; j < pAdaptor->nPorts; j++) { + pPort = &pAdaptor->pPorts[j]; + pPriv = (XvPortRecPrivatePtr)pPort->devPriv.ptr; + if(pPriv->isOn > XV_OFF) { + + (*pPriv->AdaptorRec->StopVideo)( + pPriv->pScrn, pPriv->DevPriv.ptr, TRUE); + pPriv->isOn = XV_OFF; + + if(pPriv->pCompositeClip && pPriv->FreeCompositeClip) + RegionDestroy(pPriv->pCompositeClip); + + pPriv->pCompositeClip = NULL; + + if(!pPriv->type && pPriv->pDraw) { /* still */ + xf86XVRemovePortFromWindow((WindowPtr)pPriv->pDraw, pPriv); + } + } + } + } + + pScrn->LeaveVT = ScreenPriv->LeaveVT; + (*ScreenPriv->LeaveVT)(index, flags); + ScreenPriv->LeaveVT = pScrn->LeaveVT; + pScrn->LeaveVT = xf86XVLeaveVT; +} + +static void +xf86XVAdjustFrame(int index, int x, int y, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[index]; + ScreenPtr pScreen = pScrn->pScreen; + XF86XVScreenPtr ScreenPriv = GET_XF86XV_SCREEN(pScreen); + + if(ScreenPriv->AdjustFrame) { + pScrn->AdjustFrame = ScreenPriv->AdjustFrame; + (*pScrn->AdjustFrame)(index, x, y, flags); + pScrn->AdjustFrame = xf86XVAdjustFrame; + } + + xf86XVReputOrStopAllPorts(pScrn, FALSE); +} + +static void +xf86XVModeSet(ScrnInfoPtr pScrn) +{ + ScreenPtr pScreen = pScrn->pScreen; + XF86XVScreenPtr ScreenPriv; + + /* Can be called before pScrn->pScreen is set */ + if (!pScreen) + return; + + ScreenPriv = GET_XF86XV_SCREEN(pScreen); + + if (ScreenPriv->ModeSet) { + pScrn->ModeSet = ScreenPriv->ModeSet; + (*pScrn->ModeSet)(pScrn); + pScrn->ModeSet = xf86XVModeSet; + } + + xf86XVReputOrStopAllPorts(pScrn, FALSE); +} + +/**** XvAdaptorRec fields ****/ + +static int +xf86XVAllocatePort( + unsigned long port, + XvPortPtr pPort, + XvPortPtr *ppPort +){ + *ppPort = pPort; + return Success; +} + + + +static int +xf86XVFreePort(XvPortPtr pPort) +{ + return Success; +} + + +static int +xf86XVPutVideo( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + int result; + + /* No dumping video to pixmaps... For now anyhow */ + if(pDraw->type != DRAWABLE_WINDOW) { + pPort->pDraw = (DrawablePtr)NULL; + return BadAlloc; + } + + /* If we are changing windows, unregister our port in the old window */ + if(portPriv->pDraw && (portPriv->pDraw != pDraw)) + xf86XVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv); + + /* Register our port with the new window */ + result = xf86XVEnlistPortInWindow((WindowPtr)pDraw, portPriv); + if(result != Success) return result; + + portPriv->type = XvInputMask; + + /* save a copy of these parameters */ + portPriv->vid_x = vid_x; portPriv->vid_y = vid_y; + portPriv->vid_w = vid_w; portPriv->vid_h = vid_h; + portPriv->drw_x = drw_x; portPriv->drw_y = drw_y; + portPriv->drw_w = drw_w; portPriv->drw_h = drw_h; + + /* make sure we have the most recent copy of the clientClip */ + xf86XVCopyClip(portPriv, pGC); + + /* To indicate to the DI layer that we were successful */ + pPort->pDraw = pDraw; + + if(!portPriv->pScrn->vtSema) return Success; /* Success ? */ + + return(xf86XVReputVideo(portPriv)); +} + +static int +xf86XVPutStill( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + if (pDraw->type != DRAWABLE_WINDOW) + return BadAlloc; + + if(!portPriv->pScrn->vtSema) return Success; /* Success ? */ + + WinBox.x1 = pDraw->x + drw_x; + WinBox.y1 = pDraw->y + drw_y; + WinBox.x2 = WinBox.x1 + drw_w; + WinBox.y2 = WinBox.y1 + drw_h; + + xf86XVCopyCompositeClip(portPriv, pGC, pDraw); + + RegionInit(&WinRegion, &WinBox, 1); + RegionNull(&ClipRegion); + RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip); + + if(portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) { + RegionRec VPReg; + BoxRec VPBox; + + VPBox.x1 = portPriv->pScrn->frameX0; + VPBox.y1 = portPriv->pScrn->frameY0; + VPBox.x2 = portPriv->pScrn->frameX1 + 1; + VPBox.y2 = portPriv->pScrn->frameY1 + 1; + + RegionInit(&VPReg, &VPBox, 1); + RegionIntersect(&ClipRegion, &ClipRegion, &VPReg); + RegionUninit(&VPReg); + } + + if(portPriv->pDraw) { + xf86XVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv); + } + + if(!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto PUT_STILL_BAILOUT; + } + + if(portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) { + BoxPtr clipBox = RegionRects(&ClipRegion); + if( (RegionNumRects(&ClipRegion) != 1) || + (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) || + (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2)) + { + clippedAway = TRUE; + goto PUT_STILL_BAILOUT; + } + } + + if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->PutStill)(portPriv->pScrn, + vid_x, vid_y, WinBox.x1, WinBox.y1, + vid_w, vid_h, drw_w, drw_h, + &ClipRegion, portPriv->DevPriv.ptr, + pDraw); + + if((ret == Success) && + (portPriv->AdaptorRec->flags & VIDEO_OVERLAID_STILLS)) { + + xf86XVEnlistPortInWindow((WindowPtr)pDraw, portPriv); + portPriv->isOn = XV_ON; + portPriv->vid_x = vid_x; portPriv->vid_y = vid_y; + portPriv->vid_w = vid_w; portPriv->vid_h = vid_h; + portPriv->drw_x = drw_x; portPriv->drw_y = drw_y; + portPriv->drw_w = drw_w; portPriv->drw_h = drw_h; + portPriv->type = 0; /* no mask means it's transient and should + not be reput once it's removed */ + pPort->pDraw = pDraw; /* make sure we can get stop requests */ + } + +PUT_STILL_BAILOUT: + + if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo)( + portPriv->pScrn, portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + /* This clip was copied and only good for one shot */ + if(!portPriv->FreeCompositeClip) + portPriv->pCompositeClip = NULL; + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + +static int +xf86XVGetVideo( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + int result; + + /* No pixmaps... For now anyhow */ + if(pDraw->type != DRAWABLE_WINDOW) { + pPort->pDraw = (DrawablePtr)NULL; + return BadAlloc; + } + + /* If we are changing windows, unregister our port in the old window */ + if(portPriv->pDraw && (portPriv->pDraw != pDraw)) + xf86XVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv); + + /* Register our port with the new window */ + result = xf86XVEnlistPortInWindow((WindowPtr)pDraw, portPriv); + if(result != Success) return result; + + portPriv->type = XvOutputMask; + + /* save a copy of these parameters */ + portPriv->vid_x = vid_x; portPriv->vid_y = vid_y; + portPriv->vid_w = vid_w; portPriv->vid_h = vid_h; + portPriv->drw_x = drw_x; portPriv->drw_y = drw_y; + portPriv->drw_w = drw_w; portPriv->drw_h = drw_h; + + /* make sure we have the most recent copy of the clientClip */ + xf86XVCopyClip(portPriv, pGC); + + /* To indicate to the DI layer that we were successful */ + pPort->pDraw = pDraw; + + if(!portPriv->pScrn->vtSema) return Success; /* Success ? */ + + return(xf86XVRegetVideo(portPriv)); +} + +static int +xf86XVGetStill( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + if (pDraw->type != DRAWABLE_WINDOW) + return BadAlloc; + + if(!portPriv->pScrn->vtSema) return Success; /* Success ? */ + + WinBox.x1 = pDraw->x + drw_x; + WinBox.y1 = pDraw->y + drw_y; + WinBox.x2 = WinBox.x1 + drw_w; + WinBox.y2 = WinBox.y1 + drw_h; + + RegionInit(&WinRegion, &WinBox, 1); + RegionNull(&ClipRegion); + RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip); + + if(portPriv->pDraw) { + xf86XVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv); + } + + if(!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto GET_STILL_BAILOUT; + } + + if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->GetStill)(portPriv->pScrn, + vid_x, vid_y, WinBox.x1, WinBox.y1, + vid_w, vid_h, drw_w, drw_h, + &ClipRegion, portPriv->DevPriv.ptr, + pDraw); + +GET_STILL_BAILOUT: + + if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo)( + portPriv->pScrn, portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + + + +static int +xf86XVStopVideo( + ClientPtr client, + XvPortPtr pPort, + DrawablePtr pDraw +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + + if(pDraw->type != DRAWABLE_WINDOW) + return BadAlloc; + + xf86XVRemovePortFromWindow((WindowPtr)pDraw, portPriv); + + if(!portPriv->pScrn->vtSema) return Success; /* Success ? */ + + /* Must free resources. */ + + if(portPriv->isOn > XV_OFF) { + (*portPriv->AdaptorRec->StopVideo)( + portPriv->pScrn, portPriv->DevPriv.ptr, TRUE); + portPriv->isOn = XV_OFF; + } + + return Success; +} + +static int +xf86XVSetPortAttribute( + ClientPtr client, + XvPortPtr pPort, + Atom attribute, + INT32 value +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + + return((*portPriv->AdaptorRec->SetPortAttribute)(portPriv->pScrn, + attribute, value, portPriv->DevPriv.ptr)); +} + + +static int +xf86XVGetPortAttribute( + ClientPtr client, + XvPortPtr pPort, + Atom attribute, + INT32 *p_value +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + + return((*portPriv->AdaptorRec->GetPortAttribute)(portPriv->pScrn, + attribute, p_value, portPriv->DevPriv.ptr)); +} + + + +static int +xf86XVQueryBestSize( + ClientPtr client, + XvPortPtr pPort, + CARD8 motion, + CARD16 vid_w, CARD16 vid_h, + CARD16 drw_w, CARD16 drw_h, + unsigned int *p_w, unsigned int *p_h +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + + (*portPriv->AdaptorRec->QueryBestSize)(portPriv->pScrn, + (Bool)motion, vid_w, vid_h, drw_w, drw_h, + p_w, p_h, portPriv->DevPriv.ptr); + + return Success; +} + + +static int +xf86XVPutImage( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 src_x, INT16 src_y, + CARD16 src_w, CARD16 src_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h, + XvImagePtr format, + unsigned char* data, + Bool sync, + CARD16 width, CARD16 height +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + if (pDraw->type != DRAWABLE_WINDOW) + return BadAlloc; + + if(!portPriv->pScrn->vtSema) return Success; /* Success ? */ + + xf86XVCopyCompositeClip(portPriv, pGC, pDraw); + + WinBox.x1 = pDraw->x + drw_x; + WinBox.y1 = pDraw->y + drw_y; + WinBox.x2 = WinBox.x1 + drw_w; + WinBox.y2 = WinBox.y1 + drw_h; + + RegionInit(&WinRegion, &WinBox, 1); + RegionNull(&ClipRegion); + RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip); + + if(portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) { + RegionRec VPReg; + BoxRec VPBox; + + VPBox.x1 = portPriv->pScrn->frameX0; + VPBox.y1 = portPriv->pScrn->frameY0; + VPBox.x2 = portPriv->pScrn->frameX1 + 1; + VPBox.y2 = portPriv->pScrn->frameY1 + 1; + + RegionInit(&VPReg, &VPBox, 1); + RegionIntersect(&ClipRegion, &ClipRegion, &VPReg); + RegionUninit(&VPReg); + } + + /* If we are changing windows, unregister our port in the old window */ + if(portPriv->pDraw && (portPriv->pDraw != pDraw)) + xf86XVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv); + + /* Register our port with the new window */ + ret = xf86XVEnlistPortInWindow((WindowPtr)pDraw, portPriv); + if(ret != Success) goto PUT_IMAGE_BAILOUT; + + if(!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto PUT_IMAGE_BAILOUT; + } + + if(portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) { + BoxPtr clipBox = RegionRects(&ClipRegion); + if( (RegionNumRects(&ClipRegion) != 1) || + (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) || + (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2)) + { + clippedAway = TRUE; + goto PUT_IMAGE_BAILOUT; + } + } + + if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->PutImage)(portPriv->pScrn, + src_x, src_y, WinBox.x1, WinBox.y1, + src_w, src_h, drw_w, drw_h, format->id, data, width, height, + sync, &ClipRegion, portPriv->DevPriv.ptr, + pDraw); + + if((ret == Success) && + (portPriv->AdaptorRec->flags & VIDEO_OVERLAID_IMAGES)) { + + portPriv->isOn = XV_ON; + portPriv->vid_x = src_x; portPriv->vid_y = src_y; + portPriv->vid_w = src_w; portPriv->vid_h = src_h; + portPriv->drw_x = drw_x; portPriv->drw_y = drw_y; + portPriv->drw_w = drw_w; portPriv->drw_h = drw_h; + portPriv->type = 0; /* no mask means it's transient and should + not be reput once it's removed */ + pPort->pDraw = pDraw; /* make sure we can get stop requests */ + } + +PUT_IMAGE_BAILOUT: + + if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo)( + portPriv->pScrn, portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + /* This clip was copied and only good for one shot */ + if(!portPriv->FreeCompositeClip) + portPriv->pCompositeClip = NULL; + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + + +static int +xf86XVQueryImageAttributes( + ClientPtr client, + XvPortPtr pPort, + XvImagePtr format, + CARD16 *width, + CARD16 *height, + int *pitches, + int *offsets +){ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr); + + return (*portPriv->AdaptorRec->QueryImageAttributes)(portPriv->pScrn, + format->id, width, height, pitches, offsets); +} + +void +xf86XVFillKeyHelperDrawable (DrawablePtr pDraw, CARD32 key, RegionPtr fillboxes) +{ + ScreenPtr pScreen = pDraw->pScreen; + ChangeGCVal pval[2]; + BoxPtr pbox = RegionRects(fillboxes); + int i, nbox = RegionNumRects(fillboxes); + xRectangle *rects; + GCPtr gc; + + if(!xf86Screens[pScreen->myNum]->vtSema) return; + + gc = GetScratchGC(pDraw->depth, pScreen); + pval[0].val = key; + pval[1].val = IncludeInferiors; + (void) ChangeGC(NullClient, gc, GCForeground|GCSubwindowMode, pval); + ValidateGC(pDraw, gc); + + rects = malloc(nbox * sizeof(xRectangle)); + + for(i = 0; i < nbox; i++, pbox++) + { + rects[i].x = pbox->x1 - pDraw->x; + rects[i].y = pbox->y1 - pDraw->y; + rects[i].width = pbox->x2 - pbox->x1; + rects[i].height = pbox->y2 - pbox->y1; + } + + (*gc->ops->PolyFillRect)(pDraw, gc, nbox, rects); + + free(rects); + FreeScratchGC (gc); +} + +void +xf86XVFillKeyHelper (ScreenPtr pScreen, CARD32 key, RegionPtr fillboxes) +{ + xf86XVFillKeyHelperDrawable (&pScreen->root->drawable, key, fillboxes); +} + +void +xf86XVFillKeyHelperPort (DrawablePtr pDraw, pointer data, CARD32 key, RegionPtr clipboxes, Bool fillEverything) +{ + WindowPtr pWin = (WindowPtr)pDraw; + XF86XVWindowPtr WinPriv = GET_XF86XV_WINDOW(pWin); + XvPortRecPrivatePtr portPriv = NULL; + RegionRec reg; + RegionPtr fillboxes; + + while (WinPriv) { + XvPortRecPrivatePtr pPriv = WinPriv->PortRec; + + if (data == pPriv->DevPriv.ptr) { + portPriv = pPriv; + break; + } + + WinPriv = WinPriv->next; + } + + if (!portPriv) + return; + + if (!portPriv->ckeyFilled) + portPriv->ckeyFilled = RegionCreate(NULL, 0); + + if (!fillEverything) { + RegionNull(®); + fillboxes = ® + RegionSubtract(fillboxes, clipboxes, portPriv->ckeyFilled); + + if (!RegionNotEmpty(fillboxes)) + goto out; + } else + fillboxes = clipboxes; + + + RegionCopy(portPriv->ckeyFilled, clipboxes); + + xf86XVFillKeyHelperDrawable(pDraw, key, fillboxes); +out: + if (!fillEverything) + RegionUninit(®); +} + + +/* xf86XVClipVideoHelper - + + Takes the dst box in standard X BoxRec form (top and left + edges inclusive, bottom and right exclusive). The new dst + box is returned. The source boundaries are given (x1, y1 + inclusive, x2, y2 exclusive) and returned are the new source + boundaries in 16.16 fixed point. +*/ + +Bool +xf86XVClipVideoHelper( + BoxPtr dst, + INT32 *xa, + INT32 *xb, + INT32 *ya, + INT32 *yb, + RegionPtr reg, + INT32 width, + INT32 height +){ + double xsw, xdw, ysw, ydw; + INT32 delta; + BoxPtr extents = RegionExtents(reg); + int diff; + + xsw = (*xb - *xa) << 16; + xdw = dst->x2 - dst->x1; + ysw = (*yb - *ya) << 16; + ydw = dst->y2 - dst->y1; + + *xa <<= 16; *xb <<= 16; + *ya <<= 16; *yb <<= 16; + + diff = extents->x1 - dst->x1; + if (diff > 0) { + dst->x1 = extents->x1; + *xa += (diff * xsw) / xdw; + } + diff = dst->x2 - extents->x2; + if (diff > 0) { + dst->x2 = extents->x2; + *xb -= (diff * xsw) / xdw; + } + diff = extents->y1 - dst->y1; + if (diff > 0) { + dst->y1 = extents->y1; + *ya += (diff * ysw) / ydw; + } + diff = dst->y2 - extents->y2; + if (diff > 0) { + dst->y2 = extents->y2; + *yb -= (diff * ysw) / ydw; + } + + if (*xa < 0) { + diff = (((-*xa) * xdw) + xsw - 1) / xsw; + dst->x1 += diff; + *xa += (diff * xsw) / xdw; + } + delta = *xb - (width << 16); + if (delta > 0) { + diff = ((delta * xdw) + xsw - 1) / xsw; + dst->x2 -= diff; + *xb -= (diff * xsw) / xdw; + } + if (*xa >= *xb) return FALSE; + + if (*ya < 0) { + diff = (((-*ya) * ydw) + ysw - 1) / ysw; + dst->y1 += diff; + *ya += (diff * ysw) / ydw; + } + delta = *yb - (height << 16); + if (delta > 0) { + diff = ((delta * ydw) + ysw - 1) / ysw; + dst->y2 -= diff; + *yb -= (diff * ysw) / ydw; + } + if (*ya >= *yb) return FALSE; + + if ((dst->x1 > extents->x1) || (dst->x2 < extents->x2) || + (dst->y1 > extents->y1) || (dst->y2 < extents->y2)) + { + RegionRec clipReg; + RegionInit(&clipReg, dst, 1); + RegionIntersect(reg, reg, &clipReg); + RegionUninit(&clipReg); + } + return TRUE; +} + +void +xf86XVCopyYUV12ToPacked( + const void *srcy, + const void *srcv, + const void *srcu, + void *dst, + int srcPitchy, + int srcPitchuv, + int dstPitch, + int h, + int w +){ + CARD32 *Dst; + const CARD8 *Y, *U, *V; + int i, j; + + w >>= 1; + + for (j = 0; j < h; j++) { + Dst = dst; + Y = srcy; V = srcv; U = srcu; + i = w; + while (i >= 4) { +#if X_BYTE_ORDER == X_LITTLE_ENDIAN + Dst[0] = Y[0] | (Y[1] << 16) | (U[0] << 8) | (V[0] << 24); + Dst[1] = Y[2] | (Y[3] << 16) | (U[1] << 8) | (V[1] << 24); + Dst[2] = Y[4] | (Y[5] << 16) | (U[2] << 8) | (V[2] << 24); + Dst[3] = Y[6] | (Y[7] << 16) | (U[3] << 8) | (V[3] << 24); +#else + /* This assumes a little-endian framebuffer */ + Dst[0] = (Y[0] << 24) | (Y[1] << 8) | (U[0] << 16) | V[0]; + Dst[1] = (Y[2] << 24) | (Y[3] << 8) | (U[1] << 16) | V[1]; + Dst[2] = (Y[4] << 24) | (Y[5] << 8) | (U[2] << 16) | V[2]; + Dst[3] = (Y[6] << 24) | (Y[7] << 8) | (U[3] << 16) | V[3]; +#endif + Dst += 4; Y += 8; V += 4; U += 4; + i -= 4; + } + + while (i--) { +#if X_BYTE_ORDER == X_LITTLE_ENDIAN + Dst[0] = Y[0] | (Y[1] << 16) | (U[0] << 8) | (V[0] << 24); +#else + /* This assumes a little-endian framebuffer */ + Dst[0] = (Y[0] << 24) | (Y[1] << 8) | (U[0] << 16) | V[0]; +#endif + Dst++; Y += 2; V++; U++; + } + + dst = (CARD8 *)dst + dstPitch; + srcy = (const CARD8 *)srcy + srcPitchy; + if (j & 1) { + srcu = (const CARD8 *)srcu + srcPitchuv; + srcv = (const CARD8 *)srcv + srcPitchuv; + } + } +} + +void +xf86XVCopyPacked( + const void *src, + void *dst, + int srcPitch, + int dstPitch, + int h, + int w +){ + const CARD32 *Src; + CARD32 *Dst; + int i; + + w >>= 1; + while (--h >= 0) { + do { + Dst = dst; Src = src; + i = w; + while (i >= 4) { + Dst[0] = Src[0]; + Dst[1] = Src[1]; + Dst[2] = Src[2]; + Dst[3] = Src[3]; + Dst += 4; Src += 4; i -= 4; + } + if (!i) break; + Dst[0] = Src[0]; + if (i == 1) break; + Dst[1] = Src[1]; + if (i == 2) break; + Dst[2] = Src[2]; + } while (0); + + src = (const CARD8 *)src + srcPitch; + dst = (CARD8 *)dst + dstPitch; + } +} |